結果
問題 | No.2726 Rooted Tree Nim |
ユーザー | ir5 |
提出日時 | 2024-07-10 00:04:27 |
言語 | C++23(gcc13) (gcc 13.2.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 552 ms / 2,000 ms |
コード長 | 4,576 bytes |
コンパイル時間 | 3,925 ms |
コンパイル使用メモリ | 162,284 KB |
実行使用メモリ | 55,316 KB |
最終ジャッジ日時 | 2024-07-10 00:04:37 |
合計ジャッジ時間 | 10,574 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 331 ms
5,376 KB |
testcase_02 | AC | 321 ms
17,024 KB |
testcase_03 | AC | 552 ms
55,220 KB |
testcase_04 | AC | 525 ms
55,316 KB |
testcase_05 | AC | 324 ms
36,780 KB |
testcase_06 | AC | 350 ms
36,960 KB |
testcase_07 | AC | 395 ms
41,216 KB |
testcase_08 | AC | 390 ms
41,216 KB |
testcase_09 | AC | 261 ms
12,800 KB |
testcase_10 | AC | 278 ms
12,484 KB |
testcase_11 | AC | 270 ms
16,128 KB |
testcase_12 | AC | 373 ms
37,120 KB |
testcase_13 | AC | 298 ms
12,604 KB |
ソースコード
#include <algorithm> #include <cassert> #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include <iostream> #include <numeric> #include <vector> #include <map> #include <set> #include <queue> #include <functional> #include <iomanip> using namespace std; using ll = long long; class range {private: struct I{int x;int operator*(){return x;}bool operator!=(I& lhs){return x<lhs.x;}void operator++(){++x;}};I i,n; public:range(int n_):i({0}),n({n_}){}range(int i_,int n_):i({i_}),n({n_}){}I& begin(){return i;}I& end(){return n;}}; template<typename T, typename U> ostream& operator<<(ostream& os, const pair<T, U>& p){ return os << "{" << p.first << ", " << p.second << "}"; } template<typename T> ostream& operator<<(ostream& os, const vector<T>& obj) { os << "{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } template<typename T> ostream& operator<<(ostream& os, const set<T>& obj) { os << "set{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } template<typename T, typename U> ostream& operator<<(ostream& os, const map<T, U>& obj) { os << "map{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } template<typename T> void take(vector<T>& vec, int n) { vec.resize(n); for (int i = 0; i < n; ++i) cin >> vec[i]; } #ifdef ONLINE_JUDGE #define dump(expr) ; #else #define dump(expr) { cerr << "\033[33m#L" << __LINE__ << ": " << expr << "\033[39m" << endl; } #endif namespace solver { template<typename T1, typename T2> struct In2 { T1 a; T2 b; friend std::istream& operator>>(std::istream& is, In2& obj) { T1 t1; T2 t2; is >> t1 >> t2; obj = {t1, t2}; return is; } }; template<typename T1, typename T2, typename T3> struct In3 { T1 a; T2 b; T3 c; friend std::istream& operator>>(std::istream& is, In3& obj) { T1 t1; T2 t2; T3 t3; is >> t1 >> t2 >> t3; obj = {t1, t2, t3}; return is; } }; using EdgeCost = ll; struct E { int fr, to, eid; EdgeCost cost; E(int fr_, int to_, int eid_, EdgeCost cost_) : fr(fr_), to(to_), eid(eid_), cost(cost_) {} friend ostream &operator<<(ostream &os, const E &e) { os << "(" << e.fr << " -> " << e.to << ")"; return os; } }; using V = vector<E>; struct G { int n, e_count; vector<V> adj, rev; G(int n_) : n(n_), e_count(0), adj(n), rev(n) {} void add_directed_edge(int fr, int to, EdgeCost cost = (EdgeCost)1) { assert(0 <= fr && fr < n); assert(0 <= to && to < n); E e(fr, to, e_count++, cost); adj[fr].push_back(e); rev[to].push_back(e); } void add_undirected_edge(int fr, int to, EdgeCost cost = (EdgeCost)1) { assert(0 <= fr && fr < n); assert(0 <= to && to < n); E e1(fr, to, e_count, cost), e2(to, fr, e_count++, cost); adj[fr].push_back(e1); rev[to].push_back(e1); adj[to].push_back(e2); rev[to].push_back(e2); } }; template<typename T> void vec_unique(vector<T>& v) { ranges::sort(v); auto result = ranges::unique(v); v.erase(result.begin(), result.end()); } int mex(vector<int> v) { vec_unique(v); dump(v); int res = 0; for (int x : v) { if (x != res) return res; res++; } return res; } void experiment() { int n, k; cin >> n >> k; vector<vector<int>> g(n, vector<int>(n)); for (int y : range(n)) { for (int x : range(n - y)) { vector<int> ns; for (int i : range(1, k + 1)) { { int nx = x - i, ny = y; if (nx >= 0 && ny >= 0) { ns.push_back(g[ny][nx]); } } { int nx = x + i, ny = y - i; if (nx >= 0 && ny >= 0) { ns.push_back(g[ny][nx]); } } } g[y][x] = mex(ns); } } for (int y : range(n)) dump(g[y]); } int n, k; vector<In2<int, int>> edges; vector<int> vals; void read() { cin >> n >> k; take(edges, n - 1); take(vals, n); } using RetType = string; int dfs(G& g, int now, int par, int depth) { int sum = (depth & 1) ? (vals[now - 1] % (k + 1)) : 0; for (auto e : g.adj[now]) if (e.to != par) { sum ^= dfs(g, e.to, now, depth + 1); } return sum; } RetType run() { G g(n + 1); for (auto p : edges) { g.add_undirected_edge(p.a, p.b); } int sum = dfs(g, 1, -1, 0); return sum ? "K" : "P"; } } // namespace template <typename F> void run(F f) { if constexpr (std::is_same_v<decltype(f()), void>) f(); else cout << f() << endl; } int main(int argc, char** argv) { // solver::experiment(); // return 0; cerr << fixed << setprecision(12); cout << fixed << setprecision(12); int testcase; cin >> testcase; while (testcase--) { solver::read(); run(solver::run); } }